increases log history length to 10000

implements https://github.com/yacy/yacy_search_server/issues/512

defaults/yacy.logging

@@ -51,7 +51,7 @@ net.yacy.crawler.robots.RobotsTxt.level = SEVERE
 # Properties for the GuiHandler
 net.yacy.kelondro.logging.GuiHandler.level = ALL
 net.yacy.kelondro.logging.GuiHandler.formatter=net.yacy.kelondro.logging.SimpleLogFormatter
-net.yacy.kelondro.logging.GuiHandler.size = 1000
+net.yacy.kelondro.logging.GuiHandler.size = 10000
 
 # Properties for the ConsoleOutErrHandler
 net.yacy.kelondro.logging.ConsoleOutErrHandler.level = ALL

htroot/ViewLog_p.html

@@ -11,7 +11,7 @@
     
     <form action="ViewLog_p.html" method="get" accept-charset="UTF-8">
       <fieldset>
-        <input type="text" name="lines" id="lines" size ="5" value="#[lines]#" maxlength="9" /><label for="lines"> Lines (max. #[maxlines]#)</label>
+        <input type="text" name="lines" id="lines" size ="6" value="#[lines]#" maxlength="9" /><label for="lines"> Lines (max. #[maxlines]#)</label>
         <input type="checkbox" name="mode" id="mode" value="reversed" #(reverseChecked)#::checked="checked"#(/reverseChecked)# /><label for="mode">reversed order</label>
         <input type="text" name="filter" id="filter" size ="30" value="#[filter]#" maxlength="60" />
         <input type="submit" value="refresh" />

source/net/yacy/cora/util/ConcurrentLog.java

@@ -49,7 +49,7 @@ public final class ConcurrentLog {
 
     private final static Logger ConcurrentLogLogger = Logger.getLogger("ConcurrentLog");
     private final static Message POISON_MESSAGE = new Message();
-    private final static BlockingQueue<Message> logQueue = new ArrayBlockingQueue<Message>(500);
+    private final static BlockingQueue<Message> logQueue = new ArrayBlockingQueue<>(2000);
     private static Worker logRunnerThread = null;
     public static boolean backgroundRunner = false;
 
@@ -61,7 +61,7 @@ public final class ConcurrentLog {
         if (backgroundRunner && (logRunnerThread == null || !logRunnerThread.isAlive())) {
             logRunnerThread = new Worker();
             logRunnerThread.start();
-            //ConcurrentLogLogger.log(Level.INFO, "started ConcurrentLog.Worker.");
+            ConcurrentLogLogger.log(Level.INFO, "started ConcurrentLog.Worker.");
         }
     }
 
@@ -352,7 +352,7 @@ public final class ConcurrentLog {
         @Override
         public void run() {
             Message entry;
-            Map<String, Logger> loggerCache = new HashMap<String, Logger>();
+            final Map<String, Logger> loggerCache = new HashMap<>();
             try {
                 while ((entry = logQueue.take()) != POISON_MESSAGE) {
                     if (entry.logger == null) {
@@ -415,7 +415,7 @@ public final class ConcurrentLog {
 
 
             // creating the logging directory if necessary
-            File logDirectory = logFile.getParentFile();
+            final File logDirectory = logFile.getParentFile();
             if(logDirectory != null) {
                 if (!logDirectory.exists()) {
                     if(!logDirectory.mkdirs()) {
@@ -447,7 +447,7 @@ public final class ConcurrentLog {
                     exceptionLog.severe(msg + "\n" + baos.toString(), e);
                     ConcurrentLogLogger.log(Level.SEVERE, e.getMessage(), e);
                     if (e instanceof InvocationTargetException) {
-                        Throwable target = ((InvocationTargetException) e).getTargetException();
+                        final Throwable target = ((InvocationTargetException) e).getTargetException();
                         ConcurrentLogLogger.log(Level.SEVERE, target.getMessage(), target);
                     }
                 }
@@ -470,9 +470,9 @@ public final class ConcurrentLog {
     }
 
     public static String stackTrace() {
-        Throwable t = new Throwable();
+        final Throwable t = new Throwable();
-        StackTraceElement[] e = t.getStackTrace();
+        final StackTraceElement[] e = t.getStackTrace();
-        StringBuilder sb = new StringBuilder(80);
+        final StringBuilder sb = new StringBuilder(80);
         for (int i = 2; i < e.length - 1; i++) {
             sb.append(e[i].toString()).append(" -> ");
         }

source/net/yacy/htroot/ViewLog_p.java

@@ -52,7 +52,7 @@ public class ViewLog_p {
         String[] log = new String[0];
         boolean reversed = true;
         boolean json = false;
-        int maxlines = 1000, lines = 1000;
+        int maxlines = 10000, lines = 10000;
         /* Usually a regex like this would make no sense, ".*" would be
          * sufficient, but ".*.*" makes it a little bit more convenient
          * for the user to input regexes like ".*FOO.*" in the HTML
@@ -89,7 +89,7 @@ public class ViewLog_p {
         prop.put("submenu", displaySubmenu ? "1" : "0");
         prop.put("reverseChecked", reversed ? "1" : "0");
         prop.put("lines", lines);
-        prop.put("maxlines",maxlines);
+        prop.put("maxlines", maxlines);
         prop.putHTML("filter", filter);
 
         // trying to compile the regular expression filter expression

source/net/yacy/kelondro/logging/GuiHandler.java

@@ -43,7 +43,7 @@ import net.yacy.kelondro.util.MemoryControl;
 
 public class GuiHandler extends Handler {
 
-    private final static int DEFAULT_SIZE = 1000; // don't make this too big, it eats up a lot of memory!
+    private final static int DEFAULT_SIZE = 10000; // don't make this too big, it eats up a lot of memory!
     private static int size = DEFAULT_SIZE;
     private static String buffer[];
     private static int start, count;